Data from around the world indicate that about 35% of women and 45% of men are sub-fertile (about 7% of women and men are effectively infertile) [1,2]. Though most men believe infertility is due to “female issues”, the truth is that male infertility plays a role in about 50% of cases of failing to conceive after one year.

Sperm counts in men worldwide have declined by half over the past 50 years and are continuing to fall, according to a number of studies. A 2011 Finnish study of the sperm counts of 858 young men in three birth-year cohorts from the 1970s to the 1980s concluded: “These simultaneous and rapidly occurring adverse trends suggest that the underlying causes are environmental and, as such, preventable.” The decrease could be due to environmental chemicals affecting early testicular development and/or to the increased EMF exposure from cell phones. Lifestyle factors are likely to be having a significant impact. The more recently a male was born then the lower their sperm count is likely to be when they reach 20 [3]